7407487820 has 48 divisors (see below), whose sum is σ = 16902681600. Its totient is φ = 2716493760.

The previous prime is 7407487811. The next prime is 7407487831. The reversal of 7407487820 is 287847047.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302630 + ... + 326189.

It is an arithmetic number, because the mean of its divisors is an integer number (352139200).

Almost surely, 2^7407487820 is an apocalyptic number.

It is an amenable number.

7407487820 is an abundant number, since it is smaller than the sum of its proper divisors (9495193780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7407487820 is a wasteful number, since it uses less digits than its factorization.

7407487820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628878 (or 628876 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 47.

The square root of 7407487820 is about 86066.7637360671. The cubic root of 7407487820 is about 1949.3522126185.

The spelling of 7407487820 in words is "seven billion, four hundred seven million, four hundred eighty-seven thousand, eight hundred twenty".